A Milestone in a new relationship were both parties male and female feel at ease when breaking wind in front of one another thus getting quite accustomed to it.
" you've been with that bird for time and your not even on Farting Terms yet, do you have to go the bathroom every time you need to rasp? "
by John Gaskell April 08, 2004
Someone you feel very comfortable with.
Wow Joey, I can let one loose around you anytime. You must be really special.
by Lynne Lowe February 18, 2005
When you are confident enough in a friendship to fart in front of the other person without embarrassment from either party
Arran and I go way back. We're on farting terms.
by Jehannum October 09, 2015